161272243998

Names of 161272243998

• Cardinal: 161272243998 can be written as One hundred sixty-one billion, two hundred seventy-two million, two hundred forty-three thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.61272243998 × 10¹¹

Factors of 161272243998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1146

Divisors of 161272243998

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 18 19 27 29 38 54 57 58 81 87 114 162 171 174 243 261 342 361 486 513 522 551 722 783 841 1026 1083 1093 1102 1539 1566 1653 1682 2166 2186 2349 2523 3078 3249 3279 3306 4617 4698 4959 5046 6498 6558 7047 7569 9234 9747 9837 9918 10469 14094 14877 15138 15979 19494 19674 20767 20938 22707 29241 29511 29754 31407 31697 31958 41534 44631 45414 47937 58482 59022 62301 62814 63394 68121 87723 88533 89262 94221 95091 95874 124602 133893 136242 143811 175446 177066 186903 188442 190182 204363 265599 267786 282663 285273 287622 303601 373806 394573 408726 431433 531198 560709 565326 570546 602243 607202 789146 847989 855819 862866 910803 919213 1121418 1183719 1204486 1294299 1682127 1695978 1711638 1806729 1821606 1838426 2367438 2543967 2567457 2588598 2732409 2757639 3364254 3551157 3613458 3882897 5046381 5087934 5134914 5420187 5464818 5515278 7102314 7702371 7765794 8197227 8272917 10092762 10653471 10840374 11442617 15404742 16260561 16394454 16545834 17465047 21306942 22885234 24591681 24818751 31960413 32521122 34327851 34930094 48781683 49183362 49637502 52395141 63920826 68655702 73775043 74456253 95881239 97563366 102983553 104790282 146345049 147550086 148912506 157185423 191762478 205967106 223368759 292690098 308950659 314370846 331835893 446737518 471556269 617901318 663671786 926851977 943112538 995507679 1414668807 1853703954 1991015358 2780555931 2829337614 2986523037 4244006421 5561111862 5973046074 8488012842 8959569111 17919138222 26878707333 53757414666 80636121999 161272243998
• Sum of all divisors σ(n): 396445133448
• Sum of proper divisors (its aliquot sum) s(n): 235172889450
• 161272243998 is an abundant number, because the sum of its proper divisors (235172889450) is greater than itself. Its abundance is 73900645452

Bases of 161272243998

• Binary: 10010110001100100100110010011100011110₂
• Hexadecimal: 0x258C93271E
• Base-36: 2235BVVI

Squares and roots of 161272243998

• 161272243998 squared (161272243998²) is 26008736684150447024004
• 161272243998 cubed (161272243998³) is 4194487328606044351795946050927992
• The square root of 161272243998 is 401587.1561666285
• The cube root of 161272243998 is 5443.1864351601

Scales and comparisons

• 161,272,243,998 seconds is equal to 5,127 years, 49 weeks, 5 days, 21 hours, 33 minutes, 18 seconds.
• To count from 1 to 161,272,243,998 would take you about ten thousand, two hundred fifty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 161272243998 cubic inches would be around 453.6 feet tall.

Recreational maths with 161272243998

• 161272243998 backwards is 899342272161
• 161272243998 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161272243998's digits is 54
• More coming soon!